You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
70 lines
2.2 KiB
70 lines
2.2 KiB
<?php
|
|
// This file is part of Moodle - http://moodle.org/
|
|
//
|
|
// Moodle is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// Moodle is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
|
|
/**
|
|
* Defines an abstract class for filtering/searching the question bank.
|
|
*
|
|
* @package core_question
|
|
* @copyright 2013 Ray Morris
|
|
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
*/
|
|
|
|
namespace core_question\bank\search;
|
|
defined('MOODLE_INTERNAL') || die();
|
|
|
|
/**
|
|
* An abstract class for filtering/searching questions.
|
|
*
|
|
* See also {@link question_bank_view::init_search_conditions()}.
|
|
* @copyright 2013 Ray Morris
|
|
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
*/
|
|
abstract class condition {
|
|
/**
|
|
* Return an SQL fragment to be ANDed into the WHERE clause to filter which questions are shown.
|
|
* @return string SQL fragment. Must use named parameters.
|
|
*/
|
|
public abstract function where();
|
|
|
|
/**
|
|
* Return parameters to be bound to the above WHERE clause fragment.
|
|
* @return array parameter name => value.
|
|
*/
|
|
public function params() {
|
|
return array();
|
|
}
|
|
|
|
/**
|
|
* Display GUI for selecting criteria for this condition. Displayed when Show More is open.
|
|
*
|
|
* Compare display_options(), which displays always, whether Show More is open or not.
|
|
* @return string HTML form fragment
|
|
*/
|
|
public function display_options_adv() {
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* Display GUI for selecting criteria for this condition. Displayed always, whether Show More is open or not.
|
|
*
|
|
* Compare display_options_adv(), which displays when Show More is open.
|
|
* @return string HTML form fragment
|
|
*/
|
|
public function display_options() {
|
|
return;
|
|
}
|
|
}
|
|
|